JP6119362B2 - Harmful arthropod control composition and harmful arthropod control method - Google Patents

Description

  The present invention relates to a harmful arthropod control composition and a method for controlling harmful arthropods.

  Conventionally, many compounds are known as an active ingredient of a harmful arthropod control composition (see, for example, Patent Document 1, Patent Document 2, and Non-Patent Document 1).

International Publication No. 2009/099929 International Publication No. 2012/092115

The Pesticide Manual-15th edition (BCPC); ISBN 978-1-901396-18-8

  An object of the present invention is to provide a harmful arthropod control composition having an excellent control effect on harmful arthropods.

［式中、
Ｑは、式ＣＲ⁵＝ＣＲ⁶で示される基、硫黄原子、酸素原子又は式ＮＣＨ₃で示される基を表し、
Ｒ¹は、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルキル基、１個以上のハロゲン原子を有していてもよいＣ２−Ｃ４アルケニル基、１個以上のハロゲン原子を有していてもよいＣ２−Ｃ４アルキニル基、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルコキシ基、シアノ基、ニトロ基又はハロゲン原子を表し、
ｎは、０〜３のいずれかの整数を表し、
Ｒ²は、以下の式で示されるＲ^2a、Ｒ^2b、Ｒ^2c、Ｒ^2d及びＲ^2eの何れかの基

｛式中、
Ｒ^3a、Ｒ^3b及びＲ^3cは同一又は相異なり、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルキル基、１個以上のハロゲン原子を有していてもよいＣ２−Ｃ４アルキニル基、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルコキシ基、シアノ基、ニトロ基又はハロゲン原子を表し、
Ｒ^3dは、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルキル基、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルコキシ基、シアノ基、ニトロ基又はハロゲン原子を表し、
Ｘ^a、Ｘ^b、Ｘ^c及びＸ^dは同一又は相異なり、０、１又は２を表し、
Ｚ^b及びＺ^cは同一又は相異なり、酸素原子、硫黄原子又は式ＮＲ⁷で示される基を表し、
Ｒ⁷は１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルキル基又は水素原子を表す。
なお、Ｒ^3a、Ｒ^3b、Ｒ^3c及びＲ^3dがそれぞれ２個ある場合、それぞれのＲ^3a、Ｒ^3b、Ｒ^3c及びＲ^3dは同一又は相異なっていてもよい。｝を表し、
Ｒ⁵は、水素原子又はフッ素原子を表し、
Ｒ⁶は、水素原子、フッ素原子、ジフルオロメチル基又はトリフルオロメチル基を表す。
なお、ｎが２又は３である場合、複数のＲ¹は互いに相異なっていてもよい。］で示される化合物と、式（ＩＩ）

［式中、Ａ¹はメチル基を表し、Ａ²は塩素原子又シアノ基を表す。］で示される化合物と、群（Ａ）より選ばれる１種以上の化合物とを含有する有害節足動物防除組成物；
群（Ａ）：イソチアニル、プロベナゾール、チアジニル、トリシクラゾール、オリサストロビン及びピロキロンからなる群。
［２］ 前記式（Ｉ）で示される化合物が、当該式（Ｉ）において、
Ｒ²が、以下の式で示されるＲ^2a、Ｒ^2b、Ｒ^2c及びＲ^2dの何れかの基

［式中、
Ｒ^3a、Ｒ^3b及びＲ^3cは同一又は相異なり、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルキル基、１個以上のハロゲン原子を有していてもよいＣ２−Ｃ４アルキニル基、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルコキシ基、シアノ基、ニトロ基又はハロゲン原子を表し、
Ｒ^3dは、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルキル基、１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルコキシ基、シアノ基、ニトロ基又はハロゲン原子を表し、
Ｘ^a、Ｘ^b、Ｘ^c及びＸ^dは同一又は相異なり、０、１又は２を表し、
Ｚ^b及びＺ^cは同一又は相異なり、酸素原子、硫黄原子又は式ＮＲ⁷で示される基を表し、
Ｒ⁷は１個以上のハロゲン原子を有していてもよいＣ１−Ｃ４アルキル基又は水素原子を表す。
なお、Ｒ^3a、Ｒ^3b、Ｒ^3c及びＲ^3dがそれぞれ２個ある場合、それぞれのＲ^3a、Ｒ^3b、Ｒ^3c及びＲ^3dは同一又は相異なっていてもよい。］である化合物である［１］に記載の有害節足動物防除組成物。
［３］ 式（Ｉ）で示される化合物と、式（ＩＩ）で示される化合物との重量比が、５０：１〜１：５０である［１］又は［２］に記載の有害節足動物防除組成物。
［４］ 式（Ｉ）で示される化合物と、群（Ａ）より選ばれる１種以上の化合物との重量比が、１０：１〜１：１００である［１］〜［３］のいずれかに記載の有害節足動物防除組成物。
［５］ ［１］〜［４］のいずれかに記載の有害節足動物防除組成物の有効量を、植物又は植物の栽培地に施用する工程を含む有害節足動物の防除方法。
［６］ 植物又は植物の栽培地に施用する工程が、イネ又はイネの栽培地に施用する工程である［５］に記載の有害節足動物の防除方法。
［７］ 有害節足動物が、ウンカ類である［５］又は［６］に記載の有害節足動物の防除方法。
［８］ ウンカ類が、トビイロウンカ、セジロウンカ又はヒメトビウンカである［７］に記載の有害節足動物の防除方法。
［９］ 有害節足動物防除組成物の有効量を、移植３日前〜移植時に施用する［５］〜［８］のいずれかに記載の有害節足動物の防除方法。 As a result of intensive studies on a harmful arthropod control composition having an excellent control effect on harmful arthropods, the present inventors have shown that the compound represented by the following formula (I) and the following formula (II): And a composition containing one or more compounds selected from the following group (A) have an excellent controlling effect on harmful arthropods.
That is, the present invention is as follows [1] to [9].
[1] Formula (I)

[Where:
Q represents a group represented by the formula CR ⁵ = CR ⁶ , a sulfur atom, an oxygen atom or a group represented by the formula NCH ₃ ;
R ¹ has a C1-C4 alkyl group which may have one or more halogen atoms, a C2-C4 alkenyl group which may have one or more halogen atoms, and one or more halogen atoms. An optionally substituted C2-C4 alkynyl group, a C1-C4 alkoxy group optionally having one or more halogen atoms, a cyano group, a nitro group or a halogen atom;
n represents any integer of 0 to 3,
R ² represents any group of R ^2a , R ^2b , R ^2c , R ^2d and R ^2e represented by the following formula:

{Where
R ^3a , R ^3b and R ^3c are the same or different and are each a C1-C4 alkyl group optionally having one or more halogen atoms, and a C2-C4 alkynyl optionally having one or more halogen atoms. A group, a C1-C4 alkoxy group optionally having one or more halogen atoms, a cyano group, a nitro group or a halogen atom;
R ^3d is a C1-C4 alkyl group that may have one or more halogen atoms, a C1-C4 alkoxy group that may have one or more halogen atoms, a cyano group, a nitro group, or a halogen atom. Represents
X ^a , X ^b , X ^c and X ^d are the same or different and represent 0, 1 or 2;
Z ^b and Z ^c are the same or different and represent an oxygen atom, a sulfur atom or a group represented by the formula NR ⁷ ;
R ⁷ represents a C1-C4 alkyl group which may have one or more halogen atoms or a hydrogen atom.
Incidentally, R ^3a, if R ^3b, R ^3c and R ^3d there are two each, each R ^3a, R ^3b, R ^3c and R ^3d may be identical or different. },
R ⁵ represents a hydrogen atom or a fluorine atom,
R ⁶ represents a hydrogen atom, a fluorine atom, a difluoromethyl group or a trifluoromethyl group.
Incidentally, when n is 2 or 3, a plurality of R ¹ may be different from each other. And a compound of formula (II)

[Wherein, A ¹ represents a methyl group, and A ² represents a chlorine atom or a cyano group. A composition for controlling harmful arthropods comprising a compound represented by formula (A) and one or more compounds selected from the group (A);
Group (A): A group consisting of isothianyl, probenazole, thiazinyl, tricyclazole, orisatrobin and pyroxylone.
[2] The compound represented by the formula (I) is represented by the formula (I):
R ² is any group of R ^2a , R ^2b , R ^2c and R ^{2d represented by} the following formula:

[Where:
R ^3a , R ^3b and R ^3c are the same or different and are each a C1-C4 alkyl group optionally having one or more halogen atoms, and a C2-C4 alkynyl optionally having one or more halogen atoms. A group, a C1-C4 alkoxy group optionally having one or more halogen atoms, a cyano group, a nitro group or a halogen atom;
R ^3d is a C1-C4 alkyl group that may have one or more halogen atoms, a C1-C4 alkoxy group that may have one or more halogen atoms, a cyano group, a nitro group, or a halogen atom. Represents
X ^a , X ^b , X ^c and X ^d are the same or different and represent 0, 1 or 2;
Z ^b and Z ^c are the same or different and represent an oxygen atom, a sulfur atom or a group represented by the formula NR ⁷ ;
R ⁷ represents a C1-C4 alkyl group which may have one or more halogen atoms or a hydrogen atom.
Incidentally, R ^3a, if R ^3b, R ^3c and R ^3d there are two each, each R ^3a, R ^3b, R ^3c and R ^3d may be identical or different. ] The harmful arthropod control composition according to [1], which is a compound of
[3] The harmful arthropod according to [1] or [2], wherein the weight ratio of the compound represented by the formula (I) and the compound represented by the formula (II) is 50: 1 to 1:50 Control composition.
[4] Any of [1] to [3], wherein the weight ratio of the compound represented by the formula (I) to one or more compounds selected from the group (A) is 10: 1 to 1: 100 The harmful arthropod control composition as described in 1.
[5] A method for controlling harmful arthropods, comprising a step of applying an effective amount of the composition for controlling harmful arthropods according to any one of [1] to [4] to a plant or a plant cultivation site.
[6] The method for controlling harmful arthropods according to [5], wherein the step of applying to a plant or a plant cultivation site is a step of applying to rice or a rice cultivation site.
[7] The method for controlling harmful arthropods according to [5] or [6], wherein the harmful arthropods are planthoppers.
[8] The method for controlling harmful arthropods according to [7], wherein the planthopper is a green planthopper, a white planthopper or a common planthopper.
[9] The method for controlling harmful arthropods according to any one of [5] to [8], wherein an effective amount of the harmful arthropod controlling composition is applied 3 days before transplantation to at the time of transplantation.

  According to the present invention, harmful arthropods can be controlled.

  The harmful arthropod control composition of the present invention comprises a compound represented by the above formula (I) (hereinafter sometimes referred to as the present mesoionic compound) and a compound represented by the above formula (II) (hereinafter referred to as the present anthranil). An amide compound) and one or more compounds selected from the group (A) (hereinafter may be referred to as the present compound A).

In the formula (I), each of the substituents represented by R ¹ , R ^2a , R ^2b , R ^2c , R ^2d , R ^2e , R ^3a , R ^3b , R ^3c , R ^3d and R ⁷ is as follows: Things.

  In the present invention, the C1-C4 alkyl group means a linear or branched alkyl group having 1 to 4 carbon atoms, and examples thereof include a methyl group, an ethyl group, a propyl group, and a 1-methyl group. Examples include an ethyl group, a butyl group, a 1-methylpropyl group, a 2-methylpropyl group, and a 1,1-dimethylethyl group.

  In the present invention, the C2-C4 alkenyl group is a linear or branched chain having 2 to 4 carbon atoms and an unsaturated carbonization having one or more double bonds in the molecule. Means a hydrogen group, for example, vinyl group, 1-propenyl group, 2-propenyl group, 1-methylvinyl group, 1-butenyl group, 2-butenyl group, 3-butenyl group, 2-methyl-2-propenyl group Is mentioned.

  In the present invention, the C2-C4 alkynyl group is an unsaturated hydrocarbon having a linear or branched chain having 2 to 4 carbon atoms and having one or more triple bonds in the molecule. Means a group, and examples thereof include an ethynyl group, a 2-propynyl group, a 2-butynyl group, and a 3-butynyl group.

  In the present invention, the C1-C4 alkoxy group means a group represented by a linear or branched alkyl-O— having 1 to 4 carbon atoms, such as a methoxy group, an ethoxy group, Examples include propoxy group, 1-methylethoxy group, butoxy group, 1-methylpropoxy group, 2-methylpropoxy group and 1,1-dimethylethoxy group.

  In the present invention, “may have one or more halogen atoms” means that when two or more halogen atoms are present, the halogen atoms may be the same or different from each other. Also good. In addition, “one or more” means one or more and the maximum number of atoms or groups to which atoms or groups can be bonded, unless otherwise specified.

Examples of the halogen atom represented by R ¹ , R ^3a , R ^3b , R ^3c and R ^3d include a fluorine atom, a chlorine atom, a bromine atom and an iodine atom.

Examples of the C1-C4 alkyl group optionally having one or more halogen atoms represented by R ¹ , R ^3a , R ^3b , R ^3c , R ^3d and R ⁷ include a methyl group and trifluoromethyl. Group, trichloromethyl group, chloromethyl group, dichloromethyl group, fluoromethyl group, difluoromethyl group, ethyl group, pentafluoroethyl group, 2,2,2-trifluoroethyl group, 2,2,2-trichloroethyl group Propyl group, 1-methylethyl group, 1-trifluoromethyltetrafluoroethyl group, butyl group, 2-methylpropyl group, 1-methylpropyl group and 1,1-dimethylethyl group.

Examples of the C2-C4 alkenyl group represented by R ¹ which may have one or more halogen atoms include 2-propenyl group, 3-chloro-2-propenyl group, 2-chloro-2-propenyl group. Groups, 3,3-dichloro-2-propenyl group, 2-butenyl group, 3-butenyl group and 2-methyl-2-propenyl group.

Examples of the C2-C4 alkynyl group represented by R ¹ , R ^3a , R ^3b and R ^3c which may have one or more halogen atoms include a 2-propynyl group and 3-chloro-2-propynyl. Group, 3-bromo-2-propynyl group, 2-butynyl group and 3-butynyl group.

Examples of the C1-C4 alkoxy group optionally having one or more halogen atoms represented by R ¹ , R ^3a , R ^3b , R ^3c and R ^3d include methoxy group, trifluoromethoxy group, ethoxy Group, 2,2,2-trifluoroethoxy group, propoxy group, 1-methylethoxy group, butoxy group, 2-methylpropoxy group, 1-methylpropoxy group and 1,1-dimethylethoxy group.

Examples of R ^2a include 6-fluoro-3-pyridyl group, 6-chloro-3-pyridyl group, 6-bromo-3-pyridyl group, 6-methyl-3-pyridyl group, and 6-cyano-3-pyridyl group. Group, 3-pyridyl group, 2-pyridyl group, and 5,6-dichloro-3-pyridyl group.
Examples of R ^2b include 2-fluoro-5-thiazolyl group, 2-chloro-5-thiazolyl group, 2-bromo-5-thiazolyl group, 2-methyl-5-thiazolyl group, 5-thiazolyl group, 2- Examples include fluoro-5-oxazolyl group, 2-chloro-5-oxazolyl group, 5-oxazolyl group, 2-chloro-1-methyl-5-imidazolyl group and 2-fluoro-1-methyl-5-imidazolyl group.
Examples of R ^2c include a 1-methyl-4-pyrazolyl group and a 3-methyl-5-isoxazolyl group.
Examples of R ^2d include a tetrahydrofuran-2-yl group and a tetrahydrofuran-3-yl group.
Examples of R ^2e include a 5-pyrimidinyl group.

［式中、Ｒ¹、Ｒ²、Ｒ⁵、Ｒ⁶及びｎは前記と同じ意味を表す。］
で示される化合物を表す。 In the formula (I), the compound in which Q is a group represented by the formula CR ⁵ = CR ⁶ is the following formula (III-a)

[Wherein, R ¹ , R ² , R ⁵ , R ⁶ and n represent the same meaning as described above. ]
The compound shown by these is represented.

［式中、Ｒ¹、Ｒ²及びｎは前記と同じ意味を表す。］
で示される化合物を表す。 In the formula (I), the compound in which Q is a sulfur atom means the following formula (III-b)

[Wherein R ¹ , R ² and n represent the same meaning as described above. ]
The compound shown by these is represented.

［式中、Ｒ¹、Ｒ²及びｎは前記と同じ意味を表す。］
で示される化合物を表す。 In the formula (I), the compound in which Q is an oxygen atom refers to the following formula (III-c)

[Wherein R ¹ , R ² and n represent the same meaning as described above. ]
The compound shown by these is represented.

［式中、Ｒ¹、Ｒ²及びｎは前記と同じ意味を表す。］
で示される化合物を表す。 In the formula (I), a compound in which Q is a group represented by the formula NCH ₃ refers to the following formula (III-d)

[Wherein R ¹ , R ² and n represent the same meaning as described above. ]
The compound shown by these is represented.

As an aspect of this mesoionic compound, the following compound is mentioned, for example.
In the formula (I), n is 2, R ¹ is the same as or different from each other, and is a fluorine atom, a chlorine atom, a bromine atom, a methyl group, a methoxy group, a trifluoromethyl group or a trifluoromethoxy group, and R ^A compound in which ² is a 2-chloro-5-thiazolyl group, a 6-chloro-3-pyridyl group or a 5-pyrimidinyl group, and Q is CH═CH or a sulfur atom;
In the formula (I), n is 1, R ¹ is a fluorine atom, chlorine atom, bromine atom, methyl group, methoxy group, trifluoromethyl group or trifluoromethoxy group, and R ² is 2-chloro-5. A compound wherein -thiazolyl group, 6-chloro-3-pyridyl group or 5-pyrimidinyl group and Q is CH = CH or a sulfur atom;
In the formula (I), n is 2, R ¹ is the same as or different from each other, and is a fluorine atom, a trifluoromethyl group or a trifluoromethoxy group, R ² is a 2-chloro-5-thiazolyl group, 6 A compound which is a chloro-3-pyridyl group or a 5-pyrimidinyl group and Q is CH═CH or a sulfur atom;
In the formula (I), n is 1, R ¹ is a fluorine atom, a trifluoromethyl group or a trifluoromethoxy group, and R ² is a 2-chloro-5-thiazolyl group or a 6-chloro-3-pyridyl group. Or a compound which is a 5-pyrimidinyl group and Q is CH═CH or a sulfur atom;
In the formula (I), n is 2, R ¹ is the same as or different from each other, and is a fluorine atom, a chlorine atom, a bromine atom, a methyl group, a methoxy group, a trifluoromethyl group or a trifluoromethoxy group, and R ^A compound in which ² is a 2-chloro-5-thiazolyl group or a 6-chloro-3-pyridyl group, and Q is CH═CH or a sulfur atom;
In the formula (I), n is 1, R ¹ is a fluorine atom, chlorine atom, bromine atom, methyl group, methoxy group, trifluoromethyl group or trifluoromethoxy group, and R ² is 2-chloro-5. A compound which is a thiazolyl group or a 6-chloro-3-pyridyl group and Q is CH═CH or a sulfur atom;
In the formula (I), n is 2, R ¹ is the same as or different from each other, and is a fluorine atom, a trifluoromethyl group or a trifluoromethoxy group, and R ² is a 2-chloro-5-thiazolyl group or 6 A compound which is a chloro-3-pyridyl group and Q is CH═CH or a sulfur atom;
In the formula (I), n is 1, R ¹ is a fluorine atom, a trifluoromethyl group or a trifluoromethoxy group, and R ² is a 2-chloro-5-thiazolyl group or a 6-chloro-3-pyridyl group. Wherein Q is CH═CH or a sulfur atom;
In the formula (I), n is 1, R ¹ is a fluorine atom or a trifluoromethoxy group, R ² is a 2-chloro-5-thiazolyl group or a 6-chloro-3-pyridyl group, and Q is A compound wherein CH = CH or a sulfur atom;
In the formula (I), compounds wherein n is 1, R ¹ is a fluorine atom, R ² is a 2-chloro-5-thiazolyl group, and Q is CH═CH;
In the formula (I), n is 2, R ¹ is the same as or different from each other, and is a fluorine atom, a chlorine atom, a bromine atom, a methyl group, a methoxy group, a trifluoromethyl group or a trifluoromethoxy group, and R A compound wherein ² is a 2-chloro-5-thiazolyl group, a 6-chloro-3-pyridyl group or a 5-pyrimidinyl group, and Q is CH═CH;
In the formula (I), n is 1, R ¹ is a fluorine atom, chlorine atom, bromine atom, methyl group, methoxy group, trifluoromethyl group or trifluoromethoxy group, and R ² is 2-chloro-5. -Thiazolyl group, 6-chloro-3-pyridyl group or 5-pyrimidinyl group, wherein Q is CH = CH;
In the formula (I), n is 2, R ¹ is the same as or different from each other, and is a fluorine atom, a trifluoromethyl group or a trifluoromethoxy group, R ² is a 2-chloro-5-thiazolyl group, 6 A compound which is a chloro-3-pyridyl group or a 5-pyrimidinyl group and Q is CH═CH;
In the formula (I), n is 1, R ¹ is a fluorine atom, a trifluoromethyl group or a trifluoromethoxy group, and R ² is a 2-chloro-5-thiazolyl group or a 6-chloro-3-pyridyl group. Or a compound that is a 5-pyrimidinyl group and Q is CH═CH;
In the formula (I), n is 1, R ¹ is a fluorine atom or a trifluoromethyl group, R ² is a 2-chloro-5-thiazolyl group or a 5-pyrimidinyl group, and Q is CH═CH. A compound;
In the formula (I), n is 2, R ¹ is the same as or different from each other, and is a fluorine atom, a chlorine atom, a bromine atom, a methyl group, a methoxy group, a trifluoromethyl group or a trifluoromethoxy group, and R ^A compound wherein ² is a 5-pyrimidinyl group and Q is CH═CH;
In the formula (I), n is 1, R ¹ is a fluorine atom, chlorine atom, bromine atom, methyl group, methoxy group, trifluoromethyl group or trifluoromethoxy group, and R ² is a 5-pyrimidinyl group. A compound wherein Q is CH═CH;
In the formula (I), n is 2, R ¹ is the same as or different from each other, is a fluorine atom, a trifluoromethyl group or a trifluoromethoxy group, R ² is a 5-pyrimidinyl group, and Q is CH A compound wherein = CH;
In the formula (I), a compound wherein n is 1, R ¹ is a fluorine atom, a trifluoromethyl group or a trifluoromethoxy group, R ² is a 5-pyrimidinyl group, and Q is CH═CH;
In the formula (I), compounds wherein n is 1, R ¹ is a trifluoromethyl group, R ² is a 5-pyrimidinyl group, and Q is CH═CH;

［式中、ｎ、Ｒ¹及びＲ²の組合せは、［表１］又は［表２］に示されるいずれかの組合せを表す。］ Next, specific examples of the present mesoionic compound are shown.
A compound of formula (Ia);

[Wherein, the combination of n, R ¹ and R ² represents any combination shown in [Table 1] or [Table 2]. ]

なお、［表１］及び［表２］中のＲ¹における「３−ＯＣＦ₃」及び「３−Ｆ」等の「３−」との記載は、前記式（Ｉ−ａ）中のベンゼン環上の置換位置が３位であることを表す。

In addition, the description of “3-” such as “3-OCF ₃ ” and “3-F” in R ¹ in [Table 1] and [Table 2] is the benzene ring in the formula (Ia). The upper substitution position is the 3rd position.

［式中、ｎ、Ｒ¹及びＲ²の組合せは、［表３］に示されるいずれかの組合せを表す。］ A compound of formula (Ib);

[Wherein, the combination of n, R ¹ and R ² represents any combination shown in [Table 3]. ]

なお、［表３］中のＲ¹における「３−ＯＣＦ₃」及び「３−Ｆ」等の「３−」との記載は、前記式（Ｉ−ｂ）中のベンゼン環上の置換位置が３位であることを表す。

In Table 3, the description of “3-” such as “3-OCF ₃ ” and “3-F” in R ¹ indicates that the substitution position on the benzene ring in the formula (Ib) is Represents third place.

［式中、ｎ、Ｒ¹及びＲ²の組合せは、［表４］に示されるいずれかの組合せを表す。］ A compound of formula (Ia);

[Wherein, the combination of n, R ¹ and R ² represents any combination shown in [Table 4]. ]

なお、［表４］中のＲ¹における「３−ＯＣＦ₃」及び「３−Ｂｒ」等の「３−」との記載は、前記式（Ｉ−ａ）中のベンゼン環上の置換位置が３位であることを表す。

In addition, the description of “3-” such as “3-OCF ₃ ” and “3-Br” in R ¹ in [Table 4] indicates that the substitution position on the benzene ring in the formula (Ia) is Represents third place.

  In addition to the structure represented by formula (I), the present mesoionic compound also includes ionization embodiments represented by other structural formulas, and any of these embodiments is present alone or in admixture of two or more. However, the present mesoionic compounds include these.

  This mesoionic compound can be manufactured by the method described in the international publication 2009/099929 and the international publication 2012/092115.

Among the anthranilamide compounds, a compound in which A ¹ is a methyl group and A ² is a chlorine atom in the formula (II) (hereinafter referred to as the present anthranilamide compound (1)) is, for example, “The Pesticide Manual. -15th edition (published by BCPC); ISBN 978-1-901396-18-8 ”, page 175, and the compound can be obtained from a commercially available formulation or produced by a known method.
Among the anthranilamide compounds, a compound in which A ¹ is a methyl group and A ² is a cyano group in the formula (II) (hereinafter referred to as the present anthranilamide compound (2)) is, for example, “The Pesticide Manual. -15th edition (published by BCPC); ISBN 978-1-901396-18-8 ”, page 251, and the compound can be produced by the method described in International Publication No. 2004/067528.

In addition, probenazole, thiazinyl, tricyclazole, oryastrobine and pyroxylone used in the present invention are all known compounds, for example, “The Pesticide Manual-15th edition (BCPC); ISBN 978-1-901396-18-8” 927, 1134, 1163, 840 and 999. These compounds can be obtained from commercially available preparations or produced by known methods.
Isotianil used in the present invention is a known compound and can be produced, for example, by the method described in International Publication No. 99/024413.

In the harmful arthropod control composition of the present invention, the content ratio of the mesoionic compound and the anthranilamide compound used in the present invention is not particularly limited, but the weight ratio of the mesoionic compound to the anthranilamide compound is Usually, it is 50: 1 to 1:50, preferably 10: 1 to 1:10.
The content ratio of the present mesoionic compound and the present compound A used in the present invention in the harmful arthropod control composition of the present invention is not particularly limited, but the weight ratio of the present mesoionic compound to the present compound A is usually 10. : 1 to 1: 100, preferably 10: 1 to 1:50.

  The harmful arthropod control composition of the present invention may contain other agrochemical active ingredients together with the present mesoionic compound, the present anthranilamido compound and the present compound A. Such other agrochemical active ingredients include, for example, furametopil. For example, “The Pesticide Manual-15th edition (published by BCPC); ISBN 978-1-901396-18-8” is described on page 580, and can be obtained from a commercially available compound or produced by a known method. Is obtained. When the harmful arthropod control composition of the present invention contains furametopil, the content ratio is not particularly limited, but the weight ratio of the mesoionic compound to furametopil is usually 10: 1 to 1:50, preferably 10: 1 to 1:20.

The harmful arthropod control composition of the present invention may be a mixture of the mesoionic compound, the anthranilamide compound and the compound A, but usually the mesoionic compound, the anthranilamide compound and the present compound A Mix with an inert carrier and add surfactants and other formulation adjuvants as necessary to prepare oils, emulsions, flowables, wettable powders, granulated wettable powders, powders, granules, etc. Is used.
Moreover, the above-mentioned formulated harmful arthropod control composition can be used as a harmful arthropod control agent as it is or by adding other inactive components (water, sand, vegetable oil, etc.).
The total amount of the mesoionic compound, the anthranilamide compound and the compound A in the harmful arthropod control composition of the present invention is usually 0.01 to 100% by weight, preferably 0.1 to 90% by weight, more preferably. Is 0.5 to 70% by weight.

Examples of the inert carrier used for formulation include a solid carrier and a liquid carrier. Examples of the solid carrier include kaolin clay, attapulgite clay, bentonite, montmorillonite, acid clay, pyrophyllite, talc, diatomite, calcite, and other natural organic substances such as corn cob powder and walnut shell powder, urea. Examples include synthetic organic materials such as calcium carbonate, ammonium sulfate, and the like, fine powders or granular materials made of synthetic inorganic materials such as synthetic silicon hydroxide, and liquid carriers include aromatic carbonization such as xylene, alkylbenzene, and methylnaphthalene. Hydrogens, alcohols such as 2-propanol, ethylene glycol, propylene glycol and ethylene glycol monoethyl ether, ketones such as acetone, cyclohexanone and isophorone, vegetable oils such as soybean oil and cottonseed oil, petroleum aliphatic hydrocarbons and esters Kind Sulfoxide, acetonitrile, and water.
Examples of surfactants include anionic interfaces such as alkyl sulfate esters, alkylaryl sulfonates, dialkyl sulfosuccinates, polyoxyethylene alkylaryl ether phosphate esters, lignin sulfonates, naphthalene sulfonate formaldehyde polycondensates, and the like. Nonionic surfactants such as activators and polyoxyethylene alkyl aryl ethers, polyoxyethylene alkyl polyoxypropylene block copolymers, sorbitan fatty acid esters, and cationic surfactants such as alkyltrimethylammonium salts.
Examples of other adjuvants for preparation include water-soluble polymers such as polyvinyl alcohol and polyvinyl pyrrolidone, gum arabic, alginic acid and salts thereof, polysaccharides such as CMC (carboxymethyl cellulose) and xanthan gum, aluminum magnesium silicate, alumina sol Inorganic substances such as preservatives, coloring agents and stabilizers such as PAP (isopropyl acid phosphate) and BHT (2,6-di-tert-butyl-4-methylphenol).

  The harmful arthropod control composition of the present invention can be used to protect a plant from harm by a harmful arthropod that causes feeding, sucking or the like to the plant.

  Examples of the harmful arthropods having the controlling effect of the harmful arthropod control composition of the present invention include the following.

Hemiptera: small brown planthopper (Laodelphax striatellus), brown planthopper (Nilaparvata lugens), planthopper such Sejirounka (Sogatella furcifera), green rice leafhopper (Nephotettix cincticeps), Taiwan green rice leafhopper (Nephotettix virescens), Inazuma leafhopper (Recilia dorsalis), Chanomidorihime Leafhoppers such as leafhopper (Empoasca onukii), cotton aphid (Aphis gossypi), peach aphid (Myzus persicae), radish aphid (Brevicorine brassicae), snowy spruce (Aphasianis spruce) la), tulip beetle aphids (Macrosiphum euporbiae), potato beetle aphids (Aulacorthum solai), wheat beetle aphids (Rhopalosiphum papili), citrus aphids papida (Toxoptera crum) Aphids, Nezara antenna, Trichotylus caelestialium, Grafosoma rubrolineatum, Ethiopium sorghum wisi), bombardier Hari bug (Riptortus clavetus), spider helicopter bug (Leptocorisa chinensis), thorns Shirahoshi bug (Eysarcoris parvus), brown marmorated stink bug (Halyomorpha mista), stink bugs such as southern green stink bug (Nezara viridula), greenhouse whitefly (Trialeurodes vaporariorum ), Whiteflies such as tobacco whiteflies (Bemisia tabaci), citrus whiteflies (Dialeurodes citri), and Aleurocanthus spiniferus.
Lepidoptera: rice stem borer (Chilo suppressalis), Sankameiga (Tryporyza incertulas), leaf roller (Cnaphalocrocis medinalis), Watanomeiga (Notarcha derogata), Indian meal moth (Plodia interpunctella), the European corn borer (Ostrinia furnacalis), high Madara Roh moth (Hellula undalis), Common moths such as Pediasia teterrellus, Spodoptera litura, Spodoptera exigua, Pseudoteria septata, Seiyoto ferens), mushroom brassicae, agrotis ipsilon, tamanagiwawa (plusia nigrisigna), cerium genus, trichoplusia ni, trichoplusia ni White butterflies, Adoxofies spp., Grapholivita molesta, Leguminivola glycinivolorella, Azusayamashia, Atsukiyashia physica es honmai.), Chahamaki (Homona magnanima), Mi someone summer fruit moth (Archips fuscocupreanus), Tortricidae such as codling moth (Cydia pomonella), subfraction such Chanohosoga (Caloptilia theivora), the apple leaf miner (Phyllonorycter ringoneella), peach fruit moth (Carposina niponensis) Siniga, etc., Anemone such as Rionetia, Doga, such as Limantria, Euproctinis, Suga, such as Plutella xylostella, Cotton moth (Pectinophora gossypiella) Potato moth a) such as a) and hitorigers such as Hyphantria cunea.
Diptera: onion maggot (Hylemya antiqua), seedcorn maggot (Hylemya platura), rice leafminer (Agromyza oryzae), rice Hime leafminer (Hydrellia griseola), Inekimoguribae (Chlorops oryzae), leafminer such as beans leafminer (Liriomyza trifolii), melon fly (Dacus cucurbitae), fruit fly (Ceratitis capitata) and the like;
Coleoptera: beetle, Epilachna vigintioctopunctata (Epilachna vigintioctopunctata), cucurbit leaf beetle (Aulacophora femoralis), Kisujinomihamushi (Phyllotreta striolata), Inedorooimushi (Oulema oryzae), rice weevil (Echinocnemus squameus), rice water weevil (Lissorhoptrus oryzophilus), boll weevil (Anthonomus grandis), Azuki beetle (Callosobruchus chinensis), Shibahorusu weevil (Sphenophorus venatus), Japanese beetle (Popilia japonica), Douganebububu (Anomala cupre) ), Fellow of the corn rootworm (Diabrotica spp.), Colorado potato beetle (Leptinotarsa decemlineata), fellow of click beetles (Agriotes spp.) And the like.

  Among the harmful arthropods, preferred examples include planthoppers, leafhoppers, aphids, stink bugs, rice weevil, rice beetles, moths, and moths. Among them, planthoppers are particularly preferable, and examples of planthoppers include brown planthopper (Nilaparvata lugens), white-tailed planthopper (Sogellaella furcifera), and green planthopper (Laodedelphax straellatus).

  The harmful arthropod control composition of the present invention can also control plant diseases such as rice blast (Magnaporthe grisea).

  The harmful arthropod control composition of the present invention is applied to agricultural or non-cultivated land such as fields, paddy fields, dry fields, lawns, orchards. In addition, the harmful arthropod control composition of the present invention can control pests on the farmland in the farmland where the “plant” or the like is cultivated.

  Examples of plants to which the harmful arthropod control composition of the present invention can be used include the following.

Agricultural crops: corn, rice, wheat, barley, rye, oat, sorghum, cotton, soybean, peanut, buckwheat, sugar beet, rapeseed, sunflower, sugarcane, tobacco, etc.
Vegetables: Solanum vegetables (eggplants, tomatoes, peppers, peppers, potatoes, etc.), Cucurbitaceae vegetables (cucumbers, pumpkins, zucchini, watermelons, melons, etc.), Brassicaceae vegetables (radish, turnip, horseradish, kohlrabi, Chinese cabbage, cabbage) , Mustard, broccoli, cauliflower, rape, etc.), asteraceae vegetables (burdock, shungiku, artichoke, lettuce, etc.), liliaceae vegetables (eg, leek, onion, garlic, asparagus), celery family vegetables (carrot, parsley, celery, American Bow Fu etc.), Rubiaceae vegetables (spinach, chard, etc.), Lamiaceae vegetables (shiso, mint, basil etc.), strawberry, sweet potato, yam, taro etc.
Fruit trees: berries (apples, pears, Japanese pears, quince, quince, etc.), nuclear fruits (peaches, plums, nectarines, ume, sweet cherry, apricot, prunes, etc.) ), Nuts (chestnut, walnut, hazel, almond, pistachio, cashew nut, macadamia nut, etc.), berries (blueberry, cranberry, blackberry, raspberry, etc.), grape, oyster, olive, loquat, banana, coffee, Date palm, coconut palm, oil palm etc.
Trees other than fruit trees: tea, mulberry, flowering trees (Satsuki, camellia, hydrangea, sasanqua, shikimi, sakura, yurinoki, crape myrtle, snapdragon, etc.), roadside trees (ash, birch, dogwood, eucalyptus, ginkgo, lilac, maple, oak) , Poplar, red cherry, fu, sycamore, zelkova, blackfish, Japanese amberjack, tsuga, mouse, pine, spruce, yew, elm, Japanese cypress, etc.), coral jug, dogwood, cedar, cypress, croton, masaki, kanamochi.

  Among the plants, corn, wheat, rice and the like can be mentioned as preferable examples. Of these, rice is particularly preferable.

  The “plant” may be a plant imparted with herbicide resistance, pest resistance or environmental stress resistance by genetic recombination techniques or breeding methods by crossing. When the “plant” is rice, the rice variety is not particularly limited.

  The harmful arthropod control composition of the present invention can control harmful arthropods by being applied to plants or plant cultivation areas. Examples of plants include plant foliage, plant flowers, plant nuts, plant seeds, and the like.

  The method for controlling harmful arthropods of the present invention is carried out by applying the composition for controlling harmful arthropods of the present invention. Specifically, it is applied to the foliage of plants such as foliage spraying, plant seeds. Application to the cultivation area of plants such as treatment to soil, soil treatment, water surface application and the like.

  Examples of application to the foliage of plants such as foliage spraying in the present invention include, for example, ground spraying using a manpower sprayer, power sprayer, boom sprayer or cruckle sprayer, aerial control performed using air control or unmanned helicopters The method of applying to the surface of the plant currently grown by spraying etc. is mentioned.

  Examples of the treatment for plant seeds in the present invention include dipping treatment, spraying treatment, smearing treatment, film coating treatment and pellet coating treatment.

  Examples of the application to the plant cultivation area such as soil treatment and water surface application in the present invention include, for example, planting hole treatment, plant source treatment, grooving treatment, rowing treatment, full surface treatment, side row treatment, nursery box treatment, nursery bed Treatment, soil mixing, floor soil mixing, paste fertilizer mixing, water surface treatment and flooding spraying. The present invention is preferably applied to seedling box processing.

  In the pest arthropod control method of the present invention, it is particularly preferable that the pest control composition of the present invention is applied to a place where rice is raised. Here, the place where rice seedlings are grown is a place where rice seedlings are cultivated during the period from seeding of rice to before transplanting. Examples of the place where rice is nurtured include soil such as paddy soil, field soil, and mountain soil, artificial soil, or artificially molded medium. Moreover, after applying the pest control composition of the present invention to a place where rice is nurtured, the rice is transplanted to a place where rice is cultivated. Examples of places where rice is cultivated include flooded soil such as paddy fields and dry rice fields.

When the harmful arthropod control composition of the present invention is applied to a plant or a plant cultivation site, the application amount is the type of plant, the type and degree of occurrence of harmful arthropods to be controlled, formulation form, application Although it can be changed according to the time, weather conditions, etc., the total amount of the mesoionic compound, the anthranilamide compound and the compound A is usually 0.05 to 1000000 g per 1000 m ² where the plant is cultivated, preferably 0.5 ~ 200000g.

When the harmful arthropod control composition of the present invention is applied to a place where rice is nurtured, the application amount depends on the type and occurrence of harmful arthropods to be controlled, formulation form, weather conditions, etc. The total amount of the mesoionic compound, the anthranilamide compound, and the compound A is generally 0.05 to 1000 g, preferably 0.5 to 200 g, per 1 m ^{2 of the} place where rice is nurtured.

  When the composition for controlling harmful arthropods of the present invention is applied to a rice seedling box, the application amount is 1 box of seedling box as a total amount of the mesoionic compound, the anthranilamide compound and the compound A (approximately 60 cm, approximately 30 cm in length) is usually 0.1 to 35 g, preferably 0.2 to 20 g.

  When treating plant seeds with the harmful arthropod composition of the present invention, the amount of harmful arthropod composition used is the type of plant, the type and occurrence of harmful arthropods to be controlled, the formulation form, The total amount of the mesoionic compound, the anthranilamide compound and the compound A is usually 0.001 to 100 g, preferably 0.05 to 50 g, per 1 kg of seeds.

  When the harmful arthropod composition of the present invention is in the form of emulsion, wettable powder, flowable, etc., it is usually applied by diluting with water and spraying. In this case, the total concentration of the mesoionic compound, the anthranilamide compound and the compound A is usually 0.00001 to 10% by weight, preferably 0.0001 to 5% by weight. Powders, granules, etc. are usually applied as they are without dilution.

  When the harmful arthropod composition of the present invention is applied to rice or a rice cultivation site, it can be applied, for example, before sowing, during sowing, after sowing, before transplanting, at the time of transplanting, or after transplanting. The period of application may vary depending on the growth state of rice, the occurrence of pests and pests, weather conditions, etc., but it can usually be mentioned from 30 days before sowing to 20 days after transplanting, based on the day of sowing or transplanting rice. Preferably, it is from seeding to transplantation, and more preferably from 3 days before transplantation.

  Hereinafter, the present invention will be described in more detail with reference to formulation examples and test examples, but the present invention is not limited to the following examples. In the following examples, parts represent parts by weight unless otherwise specified. In the following examples, the compound specified by the description such as “present mesoionic compound (Compound No. 1)” is the compound specified by the corresponding “Compound No.” described in Table 1 to Table 4. The same.

  First, formulation examples are shown.

Formulation Example 1
1 part of the present mesoionic compound (Compound Nos. 1 to 71), 0.75 part of the present anthranilamide compound (1), 2 parts of isotianil, 1 part of synthetic hydrous silicon oxide, 2 parts of calcium lignin sulfonate, 30 parts of bentonite and kaolin 100 parts of the mixture of the remaining clay is pulverized and mixed well, water is added and kneaded well, and then granulated and dried to obtain granules.

Formulation Examples 2-8
Instead of 2 parts of isotianil, the same operation as in Formulation Example 1 is carried out except that each compound and the amount used in [Table 5] are applied, and each granule is obtained.

Formulation Example 9
1 part of the present mesoionic compound (Compound Nos. 1 to 71), 0.75 part of the anthranilamide compound (2), 2 parts of isotianil, 1 part of synthetic hydrous silicon oxide, 2 parts of calcium lignin sulfonate, 30 parts of bentonite and kaolin 100 parts of the mixture of the remaining clay is pulverized and mixed well, water is added and kneaded well, and then granulated and dried to obtain granules.

Formulation Examples 10 to 16
Instead of 2 parts of isotianil, the same operation as in Preparation Example 9 is carried out except that each compound and amount used described in [Table 6] are applied to obtain each granule.

Formulation Example 17
4 parts of the present mesoionic compound (Compound Nos. 1 to 71), 0.75 part of the anthranilamide compound (1), 2 parts of isotianil, 1 part of synthetic hydrous silicon oxide, 2 parts of calcium lignin sulfonate, 30 parts of bentonite and kaolin 100 parts of the mixture of the remaining clay is pulverized and mixed well, water is added and kneaded well, and then granulated and dried to obtain granules.

Formulation Examples 18-24
The granules are obtained in the same manner as in Formulation Example 17, except that each compound and the amount used are listed in [Table 7] instead of 2 parts of isothianyl.

Formulation Example 25
4 parts of the present mesoionic compound (Compound Nos. 1 to 71), 0.75 part of the present anthranilamide compound (2), 2 parts of isotianil, 1 part of synthetic hydrous silicon oxide, 2 parts of calcium lignin sulfonate, 30 parts of bentonite and kaolin 100 parts of the mixture of the remaining clay is pulverized and mixed well, water is added and kneaded well, and then granulated and dried to obtain granules.

Formulation Examples 26-32
The granules are obtained in the same manner as in Formulation Example 25 except that each compound and the amount used are listed in [Table 8] instead of 2 parts of isotianil.

Formulation Example 33
10 parts of the present mesoionic compound (Compound Nos. 1 to 71), 1 part of the anthranilamide compound (1) and 2 parts of isothianyl, 4 parts of sodium lauryl sulfate, 2 parts of calcium lignin sulfonate, and 20 parts of synthetic silicon hydroxide fine powder In addition, the remaining diatomaceous earth is mixed and stirred well to obtain 100 parts of wettable powder.

Formulation Examples 34-39
It replaces with 2 parts of isotianil, and except having applied with each compound and usage-amount of the [Table 9] description, operation similar to the formulation example 33 is performed, and 100 parts of each wettable powder is obtained.

Formulation Example 40
10 parts of the present mesoionic compound (Compound Nos. 1 to 71), 1 part of the present anthranilamide compound (2) and 2 parts of isotianil, 4 parts of sodium lauryl sulfate, 2 parts of calcium lignin sulfonate, 20 parts of synthetic silicon hydroxide-containing fine powder and Add the remaining diatomaceous earth and mix well to obtain 100 parts wettable powder.

Formulation Examples 41-46
It replaces with 2 parts of isotianil, and except having applied with each compound and usage-amount of the [Table 10] description, operation similar to the formulation example 40 is performed, and 100 parts of wettable powders are obtained.

Formulation Example 47
5 parts of this mesoionic compound (Compound Nos. 1 to 71), 3 parts of this anthranilamide compound (1), 2 parts of isothianyl, 30 parts of white carbon containing 50 parts of polyoxyethylene alkyl ether sulfate ammonium salt and the remainder of water were mixed. A flowable agent is obtained by pulverizing 100 parts of the mixture by a wet pulverization method.

Formulation Examples 48-53
Instead of 2 parts of isotianil, the same operation as in Formulation Example 47 was carried out except that each compound and the amount used described in [Table 11] were applied to obtain each flowable agent.

Formulation Example 54
5 parts of this mesoionic compound (Compound Nos. 1 to 71), 3 parts of this anthranilamide compound (2), 2 parts of isothianyl, 30 parts of white carbon containing 50 parts of polyoxyethylene alkyl ether sulfate ammonium salt and the remainder of water were mixed. A flowable agent is obtained by pulverizing 100 parts of the mixture by a wet pulverization method.

Formulation Examples 55-60
Instead of 2 parts of isotianil, the same operation as in Formulation Example 54 is performed except that each compound and the amount used are listed in [Table 12] to obtain each flowable agent.

  Next, the effect of the present invention will be shown by test examples.

Test example 1
The mesoionic compound (compound No. 4), the mesoionic compound (compound No. 44), the anthranilamide compound (1), the anthranilamide compound (2), isothianyl, probenazole, thiazinyl, tricyclazole, orisatrobin and pyroxylone A fixed amount, Solgen TW-20 (Daiichi Kogyo Seiyaku Co., Ltd.) was dissolved in 0.3 ml of acetone (Wako Pure Chemical Industries) containing 5% (w / v), and then diluted with water to a predetermined concentration.
The mesoionic compound (compound No. 4) or the mesoionic compound (compound No. 44) in water, the anthranilamide compound (1) or the anthranilamide compound (2) in water, isothianyl, probenazole, A test drug solution was prepared by mixing with a water-diluted solution of thiazinyl, tricyclazole, orysastrobin or pyroxylone.
2.5 ml of paper pot planted rice (Oryza sativa, cultivar: Hoshino Yume) seedlings of 1 seedling was applied with 0.6 ml of the test chemical. After leaving it to stand for 2 hours, it was transplanted to flooded soil in a 1 / 10000a Wagner pot and placed in a greenhouse (23 ° C.). One day after the treatment, the rice stock was covered with a plastic cup, and 10 third instar larvae of the brown planthopper were released. This is called a processing zone.
On the other hand, without applying the test chemical, rice was transplanted and placed in a greenhouse to release larvae as in the treatment group. This is called an untreated section.
The life and death of the larvae tested 6 days after release were observed. From the observation results, the mortality rate was calculated by Equation 1) and the corrected mortality rate was calculated by Equation 2). The test was repeated twice. The average values are shown in Tables 13-17.

  Formula 1); death rate (%) = (number of test insects−number of surviving insects) / number of test insects × 100

  Formula 2); corrected mortality rate (%) = {(treatment area mortality rate−untreated area mortality ratio) / (100−untreated area mortality ratio)} × 100

Test example 2
This mesoionic compound (Compound No. 61), this anthranilamide compound (1), this anthranilamide compound (2), isothianyl, probenazole, thiazinyl, tricyclazole, orissastrobin and pyroxylone respectively in predetermined amounts, Sorgen TW-20 (Daiichi Kogyo) After being dissolved in 0.3 ml of acetone (manufactured by Wako Pure Chemical Industries) containing 5% (w / v), it was diluted with water to a predetermined concentration.
Water dilution of this mesoionic compound (Compound No. 61), Water dilution of this anthranilamido compound (1) or this anthranilamido compound (2), and water dilution of isothianyl, probenazole, thiazinyl, tricyclazole, orisatrobin or pyroxylone A liquid for test was prepared by mixing with the liquid.
2.5 ml of paper pot planted rice (Oryza sativa, cultivar: Hoshino Yume) seedlings of 1 seedling was applied with 0.6 ml of the test chemical. After leaving it to stand for 2 hours, it was transplanted to flooded soil in a 1 / 10000a Wagner pot and placed in a greenhouse (23 ° C.). One day after the treatment, the rice stock was covered with a plastic cup, and 10 third instar larvae of the brown planthopper were released. This is called a processing zone.
On the other hand, without applying the test chemical, rice was transplanted and placed in a greenhouse to release larvae as in the treatment group. This is called an untreated section.
The life and death of the larvae tested 6 days after release were observed. From the observation results, the mortality rate was calculated by Equation 3) and the corrected mortality rate was calculated by Equation 4). The test was repeated twice. The average values are shown in Tables 18-20.

  Formula 3); death rate (%) = (number of test insects−number of surviving insects) / number of test insects × 100

Formula 4); corrected death rate (%) = {(treatment area death rate−untreatment area death rate) / (100−no treatment area death rate)} × 100

Claims (8)

Formula (I- a )

[Where:
n represents 1, R ¹ represents a 3-trifluoromethyl group, and R ² represents a 5-pyrimidinyl group. And a compound of formula (II)

[Wherein, A ¹ represents a methyl group, and A ² represents a chlorine atom or a cyano group. A composition for controlling harmful arthropods comprising a compound represented by formula (A) and one or more compounds selected from the group (A);
Group (A): Isotianil, probenazole, tiadinil, the group consisting of Torishikurazo Le及 beauty pyroquilon. The harmful arthropod control composition according to claim 1, wherein the weight ratio of the compound represented by the formula (I- a ) and the compound represented by the formula (II) is 50: 1 to 1:50. The harmful arthropod according to claim 1 or 2 , wherein a weight ratio of the compound represented by the formula (I -a ) to one or more compounds selected from the group (A) is 10: 1 to 1: 100. Animal control composition. A method for controlling harmful arthropods, comprising a step of applying an effective amount of the harmful arthropod control composition according to any one of claims 1 to 3 to a plant or a plant cultivation site. The method for controlling harmful arthropods according to claim 4 , wherein the step of applying the plant or the plant cultivation site is a step of applying the plant to the rice or the plantation of rice. The method for controlling harmful arthropods according to claim 4 or 5 , wherein the harmful arthropods are planthoppers. The method for controlling harmful arthropods according to claim 6 , wherein the planthopper is a brown planthopper, a white-spotted planthopper, or a brown planthopper. The method for controlling harmful arthropods according to any one of claims 4 to 7 , wherein an effective amount of the harmful arthropod controlling composition is applied 3 days before transplantation to at the time of transplantation.